/// <summary>
/// Retrieves all information about the archive.
/// </summary>
/// <exception cref="SevenZip.SevenZipArchiveException"/>
private void GetArchiveInfo(bool disposeStream)
{
if (_archive == null)
{
if (!ThrowException(null, new SevenZipArchiveException()))
{
return;
}
}
else
{
IInStream archiveStream;
using ((archiveStream = GetArchiveStream(disposeStream)) as IDisposable)
{
var openCallback = GetArchiveOpenCallback();
if (!_opened)
{
if (!OpenArchive(archiveStream, openCallback))
{
return;
}
_opened = !disposeStream;
}
_filesCount = _archive.GetNumberOfItems();
_archiveFileData = new List <ArchiveFileInfo>((int)_filesCount);
if (_filesCount != 0)
{
var data = new PropVariant();
try
{
#region Getting archive items data
for (uint i = 0; i < _filesCount; i++)
{
try
{
var fileInfo = new ArchiveFileInfo {
Index = (int)i
};
_archive.GetProperty(i, ItemPropId.Path, ref data);
fileInfo.FileName = NativeMethods.SafeCast(data, "[no name]");
_archive.GetProperty(i, ItemPropId.LastWriteTime, ref data);
fileInfo.LastWriteTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.CreationTime, ref data);
fileInfo.CreationTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.LastAccessTime, ref data);
fileInfo.LastAccessTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.Size, ref data);
fileInfo.Size = NativeMethods.SafeCast <ulong>(data, 0);
if (fileInfo.Size == 0)
{
fileInfo.Size = NativeMethods.SafeCast <uint>(data, 0);
}
_archive.GetProperty(i, ItemPropId.Attributes, ref data);
fileInfo.Attributes = NativeMethods.SafeCast <uint>(data, 0);
_archive.GetProperty(i, ItemPropId.IsDirectory, ref data);
fileInfo.IsDirectory = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Encrypted, ref data);
fileInfo.Encrypted = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Crc, ref data);
fileInfo.Crc = NativeMethods.SafeCast <uint>(data, 0);
_archive.GetProperty(i, ItemPropId.Comment, ref data);
fileInfo.Comment = NativeMethods.SafeCast(data, "");
_archive.GetProperty(i, ItemPropId.Method, ref data);
fileInfo.Method = NativeMethods.SafeCast(data, "");
_archiveFileData.Add(fileInfo);
}
catch (InvalidCastException)
{
ThrowException(null, new SevenZipArchiveException("probably archive is corrupted."));
}
}
#endregion
#region Getting archive properties
uint numProps = _archive.GetNumberOfArchiveProperties();
var archProps = new List <ArchiveProperty>((int)numProps);
for (uint i = 0; i < numProps; i++)
{
_archive.GetArchivePropertyInfo(i, out string propName, out var propId, out var varType);
_archive.GetArchiveProperty(propId, ref data);
if (propId == ItemPropId.Solid)
{
_isSolid = NativeMethods.SafeCast(data, true);
}
// TODO Add more archive properties
if (PropIdToName.PropIdNames.ContainsKey(propId))
{
archProps.Add(new ArchiveProperty
{
Name = PropIdToName.PropIdNames[propId],
Value = data.Object
});
}
else
{
Debug.WriteLine($"An unknown archive property encountered (code {((int)propId).ToString(CultureInfo.InvariantCulture)})");
}
}
_archiveProperties = new ReadOnlyCollection <ArchiveProperty>(archProps);
if (!_isSolid.HasValue && _format == InArchiveFormat.Zip)
{
_isSolid = false;
}
if (!_isSolid.HasValue)
{
_isSolid = true;
}
#endregion
}
catch (Exception)
{
if (openCallback.ThrowException())
{
throw;
}
}
}
}
if (disposeStream)
{
_archive.Close();
_archiveStream = null;
}
_archiveFileInfoCollection = new ReadOnlyCollection <ArchiveFileInfo>(_archiveFileData);
}
}
public uint GetNumberOfArchiveProperties()
{
return(inArchive.GetNumberOfArchiveProperties());
}